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Math Help - set theory?? PLEASE HELP

  1. #1
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    set theory?? PLEASE HELP

    If A abd Bare two sets, under what conditionsare A' and B' disjoint sets?

    If A and B are independant sets, under what conditions are A' and B' are independant?
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    Quote Originally Posted by linda97 View Post
    If A abd Bare two sets, under what conditionsare A' and B' disjoint sets?

    If A and B are independant sets, under what conditions are A' and B' are independant?
    Let C be the larger set where these two are contained in.

    Now if A\cup B \not = C then \emptyset \not = (A\cup B)' = A' \cap B' .
    Thus, if we want A' \cap B' = \emptyset it means A\cup B = C.
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